/**
* Copyright (C) 2012 James Coliz, Jr. <maniacbug@ymail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* Update 2014 - TMRh20
*/
/**
* Simplest possible example of using RF24Network
*
* TRANSMITTER NODE
* Every 2 seconds, send a payload to the receiver node.
*/
#include <SPI.h>
#include <RF24.h>
#include <RF24Network.h>
RF24 radio(7, 8); // nRF24L01(+) radio attached using Getting Started board
RF24Network network(radio); // Network uses that radio
const uint16_t this_node = 01; // Address of our node in Octal format
const uint16_t other_node = 00; // Address of the other node in Octal format
const unsigned long interval = 2000; // How often (in ms) to send 'hello world' to the other unit
unsigned long last_sent; // When did we last send?
unsigned long packets_sent; // How many have we sent already
struct payload_t { // Structure of our payload
unsigned long ms;
unsigned long counter;
};
void setup(void) {
Serial.begin(115200);
while (!Serial) {
// some boards need this because of native USB capability
}
Serial.println(F("RF24Network/examples/helloworld_tx/"));
if (!radio.begin()) {
Serial.println(F("Radio hardware not responding!"));
while (1) {
// hold in infinite loop
}
}
radio.setChannel(90);
network.begin(/*node address*/ this_node);
}
void loop() {
network.update(); // Check the network regularly
unsigned long now = millis();
// If it's time to send a message, send it!
if (now - last_sent >= interval) {
last_sent = now;
Serial.print(F("Sending... "));
payload_t payload = { millis(), packets_sent++ };
RF24NetworkHeader header(/*to node*/ other_node);
bool ok = network.write(header, &payload, sizeof(payload));
Serial.println(ok ? F("ok.") : F("failed."));
}
}